Claviscala turrita n. sp., Claviscala solar n. sp., Mazescala koyamai n. sp., Lampropalia enamelis (Kuroda, MS) n. sp. and Epitonium (Kiiscala) laxatoides (Kuroda, MS) n. sp. are described. These new species were all collected from deep waters off Kii Peninsula, Japan. Claviscala turrita resembles Claviscala terebralioides Kilburn, 1975, morphologically, but differs in having more axial ribs and deeper suture. Claviscala solar also resembles C. terebralioides, but it is distinguishable by weak axial ribs and black spotted shell. Mazescala koyamai has similarity with M. thrasys Iredale, 1936, morphologically, but differs in having more axial costae and slender shape. Lampropalia enamelis is very close to Lampropalia nitida Kuroda and Ito, 1961, but is is distinguishable by the protoconch and the surface. Epitonium (Kiiscala) laxatoides resembles Epitonium (Nitidiscala) hancocki Dushane, 1970, but differs in having detached teleoconch.
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